377671680 has 208 divisors, whose sum is σ = 1344634560. Its totient is φ = 100564992.

The previous prime is 377671633. The next prime is 377671681. The reversal of 377671680 is 86176773.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (377671681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 552619 + ... + 553301.

Almost surely, 2^377671680 is an apocalyptic number.

377671680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 377671680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672317280).

377671680 is an abundant number, since it is smaller than the sum of its proper divisors (966962880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

377671680 is an equidigital number, since it uses as much as digits as its factorization.

377671680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 377671680 is about 19433.7767816758. The cubic root of 377671680 is about 722.8332805440.

The spelling of 377671680 in words is "three hundred seventy-seven million, six hundred seventy-one thousand, six hundred eighty".